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1、Part8WellheadandChristmasTreeCPTDCcanprovideAPI6Acasingheads,tubingheadsandChristmastreeswhichcanmeettherequirementsofcustomersfordifferentcasingandtubingprogramsandpressuregrades.●Features●Fixthedrilledwellhead,connectwellheadcasingstring,sealandcontrol
2、theannularofcasing,suspendtubing,controlwellheadpressure,adjustflowrate,induceoilintooutletpipeline,shutoffoilwellwhennecessary,andapplicabletoacidfracturing,waterinjectionandtestservices●MeettherequirementsofAPI6A●Consistofcasinghead,tubingheadandChrist
3、mastree●Applicabletoallthecasingandtubingprogramsandconnectiontypes●Safe,reliableandeasytooperateandmaintain●Canbeequippedwithpneumatic(hydraulic)safetyvalve●Workingpressure:2,000psi¨C20,000psi●Workingmedium:petroleum,naturalgas,mudandgascontainingH2S,CO
4、2●Materialclass:AA,BB,CC,DD,EE,FF●Specificationlevel:PSL1¨C4●Performancelevel:PRI¨C2●BlockChristmasTreeWellheadAssembly1.CasingHeadWiththedesignofversatilestraight-bore,thecasingheadandcasingspoolcanbeequippedwithallkindsofslipandmandreltypecasinghangers
5、,whichhavesymmetricallockscrewsandfixedwearbushing●Straight-boredesign45˚shoulderwithlargeloadcapacity●SideoutletconnectionPipelinethreadsideoutletThreadedflangesideoutletVRthread●SecondarysealBTtypesecondarysealmechanismisdesignedonthebottom.Thecasingca
6、nbecutonsiteduringtubinginstallationsoastoaccommodatethesealheight.●InterchangeablecasinghangerStandarddimensionsSlipcasinghangerandmandreltypecasinghangerareinterchangeable.●Connectiontypesbetweencasingheadandsurfacecasingincludingweldedbottomconnection
7、,threadedbottomconnectionandslipbottomconnectionCasingHeadBody●SpecificationsCasingFlangesizeW.P.(psi)Amm(in)Bmm(in)Cmm(in)7”11”3,000470(18.50)162(6.38)280(11.02)8-5/8”11”2,000450(17.72)203(7.99）280(11.02)3,000470(18.50)203(7.99）280(11.02)5,000500(19.69)
8、203(7.99）280(11.02)9-5/8”11”2,000450(17.72)230(9.06)280(11.02)3,000470(18.50)230(9.06)280(11.02)5,000500(19.69)230(9.06)280(11.02)10,000540(21.26)230(9.06)280(11.02)13-5/8”5,000490(19.29)230(9.06)350(13.80)10-3/4”11”2,0004
